May weather in Mason, TX
The average temperature in Mason in May is 73.6°F (61.7°F–85.5°F). Average precipitation: 4.21 inches.
May is a spring month in Mason, and is warmer than the annual average of 66°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 33m. For travel, May is a comfortable month to visit.
Avg High
85.5°F
Avg Low
61.7°F
Precipitation
4.21 in
Daylight
13h 33m
May records in Mason
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 99.0°F (2011) | 37.9°F (2005) | 1.57 in (2021) |
| May 2 | 100.0°F (2002) | 39.0°F (1967) | 2.75 in (2003) |
| May 3 | 93.0°F (1974) | 37.9°F (1970) | 0.99 in (1958) |
| May 4 | 98.1°F (1964) | 36.0°F (1970) | 1.40 in (1944) |
| May 5 | 99.0°F (1984) | 39.9°F (1970) | 3.55 in (1963) |
| May 6 | 100.0°F (2012) | 39.0°F (1991) | 1.46 in (1982) |
| May 7 | 105.1°F (1984) | 42.1°F (1982) | 1.59 in (1942) |
| May 8 | 108.0°F (2022) | 43.0°F (1960) | 1.12 in (1991) |
| May 9 | 102.0°F (2022) | 37.0°F (1984) | 2.10 in (2023) |
| May 10 | 100.0°F (1967) | 43.0°F (1969) | 4.10 in (1974) |
| May 11 | 99.0°F (2008) | 37.9°F (1981) | 1.90 in (1950) |
| May 12 | 102.0°F (1967) | 37.9°F (1979) | 1.26 in (1953) |
| May 13 | 100.9°F (1967) | 41.0°F (1971) | 2.00 in (2014) |
| May 14 | 106.0°F (2025) | 39.9°F (1971) | 2.37 in (1994) |
| May 15 | 104.0°F (2025) | 44.1°F (2014) | 2.20 in (2023) |
| May 16 | 105.1°F (2022) | 41.0°F (1967) | 1.30 in (1981) |
| May 17 | 104.0°F (1963) | 46.0°F (1967) | 1.85 in (1965) |
| May 18 | 104.0°F (2022) | 45.0°F (1970) | 2.66 in (1952) |
| May 19 | 102.9°F (2022) | 39.9°F (1986) | 1.70 in (2016) |
| May 20 | 104.0°F (2022) | 42.1°F (2002) | 1.72 in (1983) |
| May 21 | 102.0°F (1998) | 44.1°F (1960) | 2.10 in (2022) |
| May 22 | 102.0°F (1998) | 43.0°F (2001) | 1.20 in (1943) |
| May 23 | 100.0°F (2025) | 46.9°F (2001) | 1.60 in (2023) |
| May 24 | 98.1°F (2000) | 48.9°F (1988) | 2.60 in (1970) |
| May 25 | 100.9°F (2000) | 46.9°F (1971) | 5.65 in (2010) |
| May 26 | 100.0°F (2011) | 51.1°F (1979) | 2.00 in (2003) |
| May 27 | 102.9°F (2024) | 52.0°F (1993) | 2.86 in (1949) |
| May 28 | 102.0°F (2011) | 48.9°F (1968) | 1.63 in (1995) |
| May 29 | 104.0°F (2011) | 51.1°F (1992) | 1.84 in (2015) |
| May 30 | 100.0°F (1985) | 54.0°F (1984) | 1.70 in (1995) |
| May 31 | 100.0°F (1985) | 46.9°F (1984) | 3.10 in (2024) |